As one of its daily deals, Best Buy offers the LifeProof nüüd Case for Apple iPhone 5 in Black/Smoke or White/Clear for $49.99 with free shipping. That's $10 under our October mention and the lowest total price we've seen for this case. (It's a current low by $8.) It's designed to survive drops of up to 6.6 feet and is fully submersible up to 6.6 feet. It also claims to be dirt-proof, snow-proof, and shock-proof. Deal ends today.